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spec: cyclic imports are illegal

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Fixes #4976.

R=r
CC=golang-dev
https://golang.org/cl/7421050
This commit is contained in:
Robert Griesemer 2013-03-04 12:59:40 -08:00
parent a969f3c247
commit 4be38dde84
1 changed files with 3 additions and 2 deletions
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5
doc/go_spec.html
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@ -1,6 +1,6 @@
<!--{
"Title": "The Go Programming Language Specification",
"Subtitle": "Version of March 1, 2013",
"Subtitle": "Version of March 4, 2013",
"Path": "/ref/spec"
}-->
@ -5367,7 +5367,8 @@ import . "lib/math" Sin
<p>
An import declaration declares a dependency relation between
the importing and imported package.
It is illegal for a package to import itself or to import a package without
It is illegal for a package to import itself, directly or indirectly,
or to directly import a package without
referring to any of its exported identifiers. To import a package solely for
its side-effects (initialization), use the <a href="#Blank_identifier">blank</a>
identifier as explicit package name: